What is this shrub in my yard?

Factual Questions
1

shrub image

It blooms in the spring and very fragrant. Thanks.

2

Mock Orange? I googled mock orange and that looks like it.

3

I believe you’re right. Thanks salinqmind.

4

Yup, mock orange. I have a HUGE one in my backyard that is at least 55 years old! My grandmother planted it. My dogs love snoozing under it.